21015360000
21,015,360,000 is an even composite number composed of four prime numbers multiplied together.
21015360000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of three hundred divisors.
Prime factorization of 21015360000:
29 × 32 × 54 × 7297
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 5 × 5 × 7297)See below for interesting mathematical facts about the number 21015360000 from the Numbermatics database.
Names of 21015360000
- Cardinal: 21015360000 can be written as Twenty-one billion, fifteen million, three hundred sixty thousand.
Scientific notation
- Scientific notation: 2.101536 × 1010
Factors of 21015360000
Divisors of 21015360000
- Number of divisors d(n): 300
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 125 128 144 150 160 180 192 200 225 240 250 256 288 300 320 360 375 384 400 450 480 500 512 576 600 625 640 720 750 768 800 900 960 1000 1125 1152 1200 1250 1280 1440 1500 1536 1600 1800 1875 1920 2000 2250 2304 2400 2500 2560 2880 3000 3200 3600 3750 3840 4000 4500 4608 4800 5000 5625 5760 6000 6400 7200 7297 7500 7680 8000 9000 9600 10000 11250 11520 12000 12800 14400 14594 15000 16000 18000 19200 20000 21891 22500 23040 24000 28800 29188 30000 32000 36000 36485 38400 40000 43782 45000 48000 57600 58376 60000 64000 65673 72000 72970 80000 87564 90000 96000 109455 115200 116752 120000 131346 144000 145940 160000 175128 180000 182425 192000 218910 233504 240000 262692 288000 291880 320000 328365 350256 360000 364850 437820 467008 480000 525384 547275 576000 583760 656730 700512 720000 729700 875640 912125 934016 960000 1050768 1094550 1167520 1313460 1401024 1440000 1459400 1641825 1751280 1824250 1868032 2101536 2189100 2335040 2626920 2736375 2802048 2880000 2918800 3283650 3502560 3648500 3736064 4203072 4378200 4560625 4670080 5253840 5472750 5604096 5837600 6567300 7005120 7297000 8209125 8406144 8756400 9121250 9340160 10507680 10945500 11208192 11675200 13134600 13681875 14010240 14594000 16418250 16812288 17512800 18242500 18680320 21015360 21891000 23350400 26269200 27363750 28020480 29188000 32836500 33624576 35025600 36485000 41045625 42030720 43782000 46700800 52538400 54727500 56040960 58376000 65673000 70051200 72970000 82091250 84061440 87564000 93401600 105076800 109455000 116752000 131346000 140102400 145940000 164182500 168122880 175128000 210153600 218910000 233504000 262692000 280204800 291880000 328365000 350256000 420307200 437820000 467008000 525384000 583760000 656730000 700512000 840614400 875640000 1050768000 1167520000 1313460000 1401024000 1751280000 2101536000 2335040000 2626920000 3502560000 4203072000 5253840000 7005120000 10507680000 21015360000
- Sum of all divisors σ(n): 75800815662
- Sum of proper divisors (its aliquot sum) s(n): 54785455662
- 21015360000 is an abundant number, because the sum of its proper divisors (54785455662) is greater than itself. Its abundance is 33770095662
Bases of 21015360000
- Binary: 100111001001001110011110010000000002
- Hexadecimal: 0x4E49CF200
- Base-36: 9NK03K0
Squares and roots of 21015360000
- 21015360000 squared (210153600002) is 441645355929600000000
- 21015360000 cubed (210153600003) is 9281336147188678656000000000000
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The
square root of 21015360000 is 144966.7548095079 -
The
cube root of 21015360000 is 2759.5966644385
Scales and comparisons
How big is 21015360000?- 21,015,360,000 seconds is equal to 668 years, 11 weeks, 4 days, 8 hours.
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To count from 1 to 21,015,360,000 would take you about one thousand, three hundred thirty-six years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21015360000 cubic inches would be around 230 feet tall.
Recreational maths with 21015360000
- 21015360000 backwards is 00006351012
- 21015360000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21015360000's digits is 18
- More coming soon!
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